amnesiac

noun

"amnesiac" is a 8-letter English headword indexed on PlainSpell.

The verdict

“amnesiac” is an uncommon English word, ranked #64,177 in English word frequency and used as a noun.

#64,177
frequency rank, English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Person who suffers from loss of memory (amnesia).

Key facts for amnesiac
PropertyValue
Headwordamnesiac
LanguageEnglish
Part of speechNoun
Letters8
Frequency rank#64,177
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “amnesiac” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). amnesiac lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for amnesiac is 8 letters long, classified as a noun. Corpus data places it at rank #64,177 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Person who suffers from loss of memory (amnesia).".

Zero misspellings are on record for amnesiac in our index, a sign its spelling follows regular English conventions. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From amnesia + -ac. The correct English form is amnesiac, spelled A-M-N-E-S-I-A-C.

Definition

  1. 1
    Person who suffers from loss of memory (amnesia).

Etymology

From amnesia + -ac.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "amnesiac"?
"amnesiac" is spelled A-M-N-E-S-I-A-C.
What does "amnesiac" mean?
As a noun, "amnesiac" means: Person who suffers from loss of memory (amnesia).
What is the origin of the word "amnesiac"?
From amnesia + -ac. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “amnesiac”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is A-M-N-E-S-I-A-C - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list